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Mar 2014 - Conservation agriculture systems utilize soils for the production of crops with the aim of reducing excessive mixing of the soil and maintaining crop residues on the soil surface in order to minimize damage to the environment.The 3 principles of CA are:
minimum tillage and soil disturbance
permanent soil cover with crop residues ...更多

Feb 2014 - We must protect the environment that feeds us. We must protect our families. While we have produced food crops through conventional tillage for many years, this has come at great cost to our environment and soil productivity with negative impact on our households' food security. Conservation agriculture offers us the ...更多